See also:

High outside temperatures
If DEF heats up to over 122 °F (50 °C ) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...

Selecting a menu/menu item and confirming your selection
Press the buttons to select the menu/menu item and press the button to confirm. ...

Towing the vehicle with the rear axle raised
Only possible on vehicles without 4MATIC. When towing your vehicle with the rear axle raised, it is important that you observe the safety instructions The ignition must be switched off if you ...